arm64: dts: qcom: sm6115: Use the correct DSI compatible

Use the non-deprecated, SoC-specific DSI compatible.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230307-topic-dsi_qcm-v6-9-70e13b1214fa@linaro.org

arch/arm64/boot/dts/qcom/sm6115.dtsi

@@ -1241,7 +1241,7 @@ opp-384000000 {
 			};
 
 			mdss_dsi0: dsi@5e94000 {
-				compatible = "qcom,dsi-ctrl-6g-qcm2290";
+				compatible = "qcom,sm6115-dsi-ctrl", "qcom,mdss-dsi-ctrl";
 				reg = <0x0 0x05e94000 0x0 0x400>;
 				reg-names = "dsi_ctrl";